diff --git a/ldm/modules/encoders/modules.py b/ldm/modules/encoders/modules.py
index aafb1299ad..5b5f71cffd 100644
--- a/ldm/modules/encoders/modules.py
+++ b/ldm/modules/encoders/modules.py
@@ -654,14 +654,15 @@ class WeightedFrozenCLIPEmbedder(FrozenCLIPEmbedder):
             per_token_weights += [weight] * len(this_fragment_token_ids)
 
         # leave room for bos/eos
-        if len(all_token_ids) > self.max_length - 2:
-            excess_token_count = len(all_token_ids) - self.max_length - 2
+        max_token_count_without_bos_eos_markers = self.max_length - 2
+        if len(all_token_ids) > max_token_count_without_bos_eos_markers:
+            excess_token_count = len(all_token_ids) - max_token_count_without_bos_eos_markers
             # TODO build nice description string of how the truncation was applied
             # this should be done by calling self.tokenizer.convert_ids_to_tokens() then passing the result to
             # self.tokenizer.convert_tokens_to_string() for the token_ids on each side of the truncation limit.
             print(f">> Prompt is {excess_token_count} token(s) too long and has been truncated")
-            all_token_ids = all_token_ids[0:self.max_length]
-            per_token_weights = per_token_weights[0:self.max_length]
+            all_token_ids = all_token_ids[0:max_token_count_without_bos_eos_markers]
+            per_token_weights = per_token_weights[0:max_token_count_without_bos_eos_markers]
 
         # pad out to a 77-entry array: [eos_token, <prompt tokens>, eos_token, ..., eos_token]
         # (77 = self.max_length)